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FY2026 GAA: ₱6.79T
PisoScan
DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BILIRAN ED Award a ₱48.0M contract to COLLERA CONSTRUCTIONNational agencies

Transaction hash:
99c19f415241abd4d9514fac82faaa4fdce78405f0df8cf2d015ed0d8c2633c5
Status:
Included and unchanged
Block:
#5,443 570 blocks after it
Position in block:
Transaction 180 of 279
Award day:
Mar 14, 2024 (2 yrs 8 mo ago)

Accountability

Bill Sec. 3 and 19
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,443 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - GAA 2024 OO-1", i.e. the FY2024 GAA. The exact UACS line is not given.
    Partly
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BILIRAN ED awarded it to COLLERA CONSTRUCTION on 2024-03-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 24IA0053: Completed, 100% physical progress.
    Found
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2024-10-11). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   99c19f4152…2633c5now      …
  2. 2. Block Merkle root changed
    stored   6e4db2bfe0…7a3a6dnow      …
  3. 3. Block #5443 hash changed
    stored   05e5e3754a…3cba31now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 278 records. Each step hashes the current value together with the sibling shown.

  1. leaf  99c19f415241abd4d9514fac82faaa4fdce78405f0df8cf2d015ed0d8c2633c5
  2. 01 R 9d4c5a9ce3fe43a64342fd399bc89b9431560d42d1e4b41ae20dca032ddb967a
  3. 02 R e6dac98387cfd1e5e24752c6f9885e70c0d998c18b480f58e0773f9dde84f71c
  4. 03 L bb42d2c9af72447a86df0a4ba228f4ef516f9d683b784760a52866a3ecb63f10
  5. 04 R 073245169c391faee96021e815182d046de8e8d650f08b94fe8270222f2b26af
  6. 05 L 03c07e671eb6569b2ebe52f2df90b0b7ef9a5191c504c1a67784f8d7d0f38d25
  7. 06 L a7827d20283aeb4d51710ab589e26d733f1ae885d8915a74da408ac1e64ccb44
  8. 07 R 7ec57e55c5098d245e9b0054b909acdd9a5160245cadd99cc28025f2a5b00dba
  9. 08 L ca200453dc75dc22d48cf8eb0741372d1b11de859ca87f94210a1cc86435e9b0
  10. 09 R ffa0990db7264def7e2cdccc8054d7281cc4d661b1c2d4f89b8a5b5c4939013f
  11. root  6e4db2bfe09a1a875fca960d634e69b295fc8792fb5036e83e619f1acd7a3a6d